Back in 1990, as the debate over climate change was heating up, a dissident shareholder petitioned the board of Exxon, one of the world’s largest oil companies, imploring it to develop a plan to reduce carbon dioxide emissions from its production plants and facilities.

In the latest indicator of the severity of the drought, the federal government’s main reservoirs serving California have begun the new “water year” at just a quarter full and in worse shape than last year.

The revised federal nutrition guidelines won’t be released until the end of the year, but we already know one thing that won’t be included in the recommendations that inform public health policy and programs across the country: sustainability.